North
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2024-04-28 20:00 | 9.9 | 95.3 | 1.0 | 290.8 | 3.6 | 2.9 |
| 2024-04-28 19:00 | 11.0 | 98.5 | 1.0 | 333.6 | 1.7 | - |
| 2024-04-28 18:00 | 13.4 | 104.6 | 1.2 | 338.8 | 7.1 | 1.7 |
| 2024-04-28 17:00 | 14.1 | 102.0 | 1.0 | 326.7 | 11.5 | 6.2 |
| 2024-04-28 16:00 | 14.1 | 102.0 | 1.2 | 341.8 | 8.1 | 6.4 |
| 2024-04-28 15:00 | 10.9 | 110.0 | 1.2 | 277.8 | 5.4 | - |
| 2024-04-28 14:00 | 11.7 | 110.4 | 1.3 | 295.5 | 9.0 | 8.4 |
| 2024-04-28 13:00 | 12.8 | 111.3 | 1.3 | 310.1 | 13.2 | 5.4 |
| 2024-04-28 12:00 | 16.2 | 103.6 | 1.2 | 329.2 | 11.9 | 5.6 |
| 2024-04-28 11:00 | 13.8 | 104.4 | 1.1 | 321.1 | 9.8 | 8.1 |
| 2024-04-28 10:00 | 10.3 | 106.0 | 1.2 | 283.7 | 10.6 | 10.0 |
| 2024-04-28 09:00 | 9.7 | 108.9 | 1.1 | 286.0 | 7.2 | - |
| 2024-04-28 08:00 | 10.3 | 103.0 | 1.3 | 292.3 | 7.1 | 5.7 |
| 2024-04-28 07:00 | 6.5 | 102.3 | 1.7 | 272.6 | 10.4 | 2.7 |
| 2024-04-28 06:00 | 8.2 | 91.7 | 1.6 | 283.9 | 10.4 | 3.5 |
| 2024-04-28 05:00 | 13.1 | 81.4 | 1.5 | 290.8 | 9.8 | 5.9 |
| 2024-04-28 04:00 | 12.9 | 73.1 | 1.9 | 392.9 | 9.3 | 7.6 |
| 2024-04-28 03:00 | 6.2 | 73.6 | 1.0 | 237.7 | 7.8 | 7.3 |
| 2024-04-28 02:00 | 9.8 | 65.7 | 1.4 | 261.2 | 14.3 | 9.1 |
| 2024-04-28 01:00 | 7.0 | 72.3 | 1.4 | 253.6 | 24.2 | 11.9 |
| 2024-04-28 00:00 | 12.8 | 41.8 | 1.2 | 223.4 | 21.7 | 13.5 |
| 2024-04-27 23:00 | 11.7 | 34.1 | 1.2 | 178.6 | 19.6 | 16.4 |
| 2024-04-27 22:00 | 22.9 | 22.8 | 1.5 | 279.6 | 22.2 | 18.8 |
| 2024-04-27 21:00 | 32.5 | 14.2 | 1.4 | 371.3 | 16.0 | 13.3 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.
